/*
 * Copyright 2016 Code Above Lab LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.codeabovelab.dm.cluman.cluster.filter;

import lombok.extern.slf4j.Slf4j;

@Slf4j
public abstract class AbstractFilter<T> implements Filter {

    @SuppressWarnings("unchecked")
    public boolean test(Object o) {
        if (o == null) {
            return false;
        }
        try {
            T data = (T) o;
            return innerTest(data);
        } catch (ClassCastException ignored) {
            log.debug("filter {} can't be applied to {}", this, o);
            return true;
        } catch (Exception e) {
            log.error("Can't apply filter", e);
            return false;
        }
    }

    protected abstract boolean innerTest(T o);
}
